735 lines
19 KiB
C
735 lines
19 KiB
C
/*
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* QEMU DirectSound audio driver
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*
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* Copyright (c) 2005 Vassili Karpov (malc)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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/*
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* SEAL 1.07 by Carlos 'pel' Hasan was used as documentation
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*/
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#include "qemu/osdep.h"
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#include "audio.h"
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#define AUDIO_CAP "dsound"
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#include "audio_int.h"
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#include "qemu/host-utils.h"
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#include "qemu/module.h"
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#include <windows.h>
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#include <mmsystem.h>
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#include <objbase.h>
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#include <dsound.h>
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#include "audio_win_int.h"
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/* #define DEBUG_DSOUND */
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typedef struct {
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LPDIRECTSOUND dsound;
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LPDIRECTSOUNDCAPTURE dsound_capture;
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struct audsettings settings;
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Audiodev *dev;
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} dsound;
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typedef struct {
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HWVoiceOut hw;
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LPDIRECTSOUNDBUFFER dsound_buffer;
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bool first_time;
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dsound *s;
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} DSoundVoiceOut;
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typedef struct {
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HWVoiceIn hw;
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LPDIRECTSOUNDCAPTUREBUFFER dsound_capture_buffer;
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bool first_time;
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dsound *s;
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} DSoundVoiceIn;
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static void dsound_log_hresult (HRESULT hr)
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{
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const char *str = "BUG";
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switch (hr) {
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case DS_OK:
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str = "The method succeeded";
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break;
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#ifdef DS_NO_VIRTUALIZATION
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case DS_NO_VIRTUALIZATION:
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str = "The buffer was created, but another 3D algorithm was substituted";
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break;
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#endif
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#ifdef DS_INCOMPLETE
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case DS_INCOMPLETE:
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str = "The method succeeded, but not all the optional effects were obtained";
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break;
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#endif
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#ifdef DSERR_ACCESSDENIED
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case DSERR_ACCESSDENIED:
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str = "The request failed because access was denied";
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break;
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#endif
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#ifdef DSERR_ALLOCATED
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case DSERR_ALLOCATED:
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str = "The request failed because resources, "
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"such as a priority level, were already in use "
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"by another caller";
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break;
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#endif
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#ifdef DSERR_ALREADYINITIALIZED
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case DSERR_ALREADYINITIALIZED:
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str = "The object is already initialized";
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break;
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#endif
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#ifdef DSERR_BADFORMAT
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case DSERR_BADFORMAT:
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str = "The specified wave format is not supported";
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break;
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#endif
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#ifdef DSERR_BADSENDBUFFERGUID
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case DSERR_BADSENDBUFFERGUID:
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str = "The GUID specified in an audiopath file "
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"does not match a valid mix-in buffer";
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break;
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#endif
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#ifdef DSERR_BUFFERLOST
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case DSERR_BUFFERLOST:
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str = "The buffer memory has been lost and must be restored";
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break;
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#endif
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#ifdef DSERR_BUFFERTOOSMALL
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case DSERR_BUFFERTOOSMALL:
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str = "The buffer size is not great enough to "
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"enable effects processing";
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break;
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#endif
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#ifdef DSERR_CONTROLUNAVAIL
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case DSERR_CONTROLUNAVAIL:
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str = "The buffer control (volume, pan, and so on) "
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"requested by the caller is not available. "
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"Controls must be specified when the buffer is created, "
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"using the dwFlags member of DSBUFFERDESC";
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break;
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#endif
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#ifdef DSERR_DS8_REQUIRED
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case DSERR_DS8_REQUIRED:
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str = "A DirectSound object of class CLSID_DirectSound8 or later "
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"is required for the requested functionality. "
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"For more information, see IDirectSound8 Interface";
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break;
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#endif
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#ifdef DSERR_FXUNAVAILABLE
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case DSERR_FXUNAVAILABLE:
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str = "The effects requested could not be found on the system, "
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"or they are in the wrong order or in the wrong location; "
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"for example, an effect expected in hardware "
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"was found in software";
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break;
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#endif
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#ifdef DSERR_GENERIC
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case DSERR_GENERIC:
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str = "An undetermined error occurred inside the DirectSound subsystem";
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break;
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#endif
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#ifdef DSERR_INVALIDCALL
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case DSERR_INVALIDCALL:
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str = "This function is not valid for the current state of this object";
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break;
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#endif
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#ifdef DSERR_INVALIDPARAM
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case DSERR_INVALIDPARAM:
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str = "An invalid parameter was passed to the returning function";
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break;
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#endif
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#ifdef DSERR_NOAGGREGATION
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case DSERR_NOAGGREGATION:
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str = "The object does not support aggregation";
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break;
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#endif
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#ifdef DSERR_NODRIVER
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case DSERR_NODRIVER:
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str = "No sound driver is available for use, "
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"or the given GUID is not a valid DirectSound device ID";
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break;
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#endif
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#ifdef DSERR_NOINTERFACE
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case DSERR_NOINTERFACE:
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str = "The requested COM interface is not available";
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break;
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#endif
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#ifdef DSERR_OBJECTNOTFOUND
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case DSERR_OBJECTNOTFOUND:
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str = "The requested object was not found";
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break;
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#endif
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#ifdef DSERR_OTHERAPPHASPRIO
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case DSERR_OTHERAPPHASPRIO:
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str = "Another application has a higher priority level, "
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"preventing this call from succeeding";
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break;
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#endif
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#ifdef DSERR_OUTOFMEMORY
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case DSERR_OUTOFMEMORY:
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str = "The DirectSound subsystem could not allocate "
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"sufficient memory to complete the caller's request";
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break;
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#endif
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#ifdef DSERR_PRIOLEVELNEEDED
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case DSERR_PRIOLEVELNEEDED:
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str = "A cooperative level of DSSCL_PRIORITY or higher is required";
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break;
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#endif
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#ifdef DSERR_SENDLOOP
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case DSERR_SENDLOOP:
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str = "A circular loop of send effects was detected";
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break;
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#endif
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#ifdef DSERR_UNINITIALIZED
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case DSERR_UNINITIALIZED:
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str = "The Initialize method has not been called "
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"or has not been called successfully "
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"before other methods were called";
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break;
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#endif
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#ifdef DSERR_UNSUPPORTED
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case DSERR_UNSUPPORTED:
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str = "The function called is not supported at this time";
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break;
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#endif
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default:
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AUD_log (AUDIO_CAP, "Reason: Unknown (HRESULT 0x%lx)\n", hr);
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return;
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}
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AUD_log (AUDIO_CAP, "Reason: %s\n", str);
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}
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static void G_GNUC_PRINTF (2, 3) dsound_logerr (
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HRESULT hr,
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const char *fmt,
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...
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)
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{
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va_list ap;
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va_start (ap, fmt);
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AUD_vlog (AUDIO_CAP, fmt, ap);
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va_end (ap);
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dsound_log_hresult (hr);
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}
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static void G_GNUC_PRINTF (3, 4) dsound_logerr2 (
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HRESULT hr,
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const char *typ,
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const char *fmt,
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...
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)
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{
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va_list ap;
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AUD_log (AUDIO_CAP, "Could not initialize %s\n", typ);
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va_start (ap, fmt);
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AUD_vlog (AUDIO_CAP, fmt, ap);
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va_end (ap);
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dsound_log_hresult (hr);
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}
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#ifdef DEBUG_DSOUND
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static void print_wave_format (WAVEFORMATEX *wfx)
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{
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dolog ("tag = %d\n", wfx->wFormatTag);
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dolog ("nChannels = %d\n", wfx->nChannels);
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dolog ("nSamplesPerSec = %ld\n", wfx->nSamplesPerSec);
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dolog ("nAvgBytesPerSec = %ld\n", wfx->nAvgBytesPerSec);
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dolog ("nBlockAlign = %d\n", wfx->nBlockAlign);
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dolog ("wBitsPerSample = %d\n", wfx->wBitsPerSample);
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dolog ("cbSize = %d\n", wfx->cbSize);
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}
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#endif
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static int dsound_restore_out (LPDIRECTSOUNDBUFFER dsb, dsound *s)
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{
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HRESULT hr;
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hr = IDirectSoundBuffer_Restore (dsb);
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if (hr != DS_OK) {
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dsound_logerr (hr, "Could not restore playback buffer\n");
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return -1;
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}
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return 0;
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}
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#include "dsound_template.h"
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#define DSBTYPE_IN
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#include "dsound_template.h"
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#undef DSBTYPE_IN
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static int dsound_get_status_out (LPDIRECTSOUNDBUFFER dsb, DWORD *statusp,
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dsound *s)
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{
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HRESULT hr;
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hr = IDirectSoundBuffer_GetStatus (dsb, statusp);
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if (FAILED (hr)) {
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dsound_logerr (hr, "Could not get playback buffer status\n");
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return -1;
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}
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if (*statusp & DSBSTATUS_BUFFERLOST) {
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dsound_restore_out(dsb, s);
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return -1;
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}
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return 0;
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}
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static int dsound_get_status_in (LPDIRECTSOUNDCAPTUREBUFFER dscb,
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DWORD *statusp)
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{
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HRESULT hr;
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hr = IDirectSoundCaptureBuffer_GetStatus (dscb, statusp);
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if (FAILED (hr)) {
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dsound_logerr (hr, "Could not get capture buffer status\n");
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return -1;
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}
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return 0;
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}
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static void dsound_clear_sample (HWVoiceOut *hw, LPDIRECTSOUNDBUFFER dsb,
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dsound *s)
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{
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int err;
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LPVOID p1, p2;
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DWORD blen1, blen2, len1, len2;
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err = dsound_lock_out (
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dsb,
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&hw->info,
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0,
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hw->size_emul,
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&p1, &p2,
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&blen1, &blen2,
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1,
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s
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);
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if (err) {
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return;
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}
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len1 = blen1 / hw->info.bytes_per_frame;
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len2 = blen2 / hw->info.bytes_per_frame;
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#ifdef DEBUG_DSOUND
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dolog ("clear %p,%ld,%ld %p,%ld,%ld\n",
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p1, blen1, len1,
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p2, blen2, len2);
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#endif
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if (p1 && len1) {
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audio_pcm_info_clear_buf (&hw->info, p1, len1);
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}
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if (p2 && len2) {
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audio_pcm_info_clear_buf (&hw->info, p2, len2);
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}
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dsound_unlock_out (dsb, p1, p2, blen1, blen2);
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}
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static int dsound_set_cooperative_level(dsound *s)
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{
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HRESULT hr;
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HWND hwnd;
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hwnd = GetDesktopWindow();
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hr = IDirectSound_SetCooperativeLevel (
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s->dsound,
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hwnd,
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DSSCL_PRIORITY
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);
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if (FAILED (hr)) {
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dsound_logerr (hr, "Could not set cooperative level for window %p\n",
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hwnd);
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return -1;
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}
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return 0;
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}
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static void dsound_enable_out(HWVoiceOut *hw, bool enable)
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{
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HRESULT hr;
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DWORD status;
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DSoundVoiceOut *ds = (DSoundVoiceOut *) hw;
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LPDIRECTSOUNDBUFFER dsb = ds->dsound_buffer;
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dsound *s = ds->s;
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if (!dsb) {
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dolog ("Attempt to control voice without a buffer\n");
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return;
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}
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if (enable) {
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if (dsound_get_status_out (dsb, &status, s)) {
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return;
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}
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if (status & DSBSTATUS_PLAYING) {
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dolog ("warning: Voice is already playing\n");
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return;
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}
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dsound_clear_sample (hw, dsb, s);
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hr = IDirectSoundBuffer_Play (dsb, 0, 0, DSBPLAY_LOOPING);
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if (FAILED (hr)) {
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dsound_logerr (hr, "Could not start playing buffer\n");
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return;
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}
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} else {
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if (dsound_get_status_out (dsb, &status, s)) {
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return;
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}
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if (status & DSBSTATUS_PLAYING) {
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hr = IDirectSoundBuffer_Stop (dsb);
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if (FAILED (hr)) {
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dsound_logerr (hr, "Could not stop playing buffer\n");
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return;
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}
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} else {
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dolog ("warning: Voice is not playing\n");
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}
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}
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}
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static size_t dsound_buffer_get_free(HWVoiceOut *hw)
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{
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DSoundVoiceOut *ds = (DSoundVoiceOut *) hw;
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LPDIRECTSOUNDBUFFER dsb = ds->dsound_buffer;
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HRESULT hr;
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DWORD ppos, wpos;
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hr = IDirectSoundBuffer_GetCurrentPosition(
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dsb, &ppos, ds->first_time ? &wpos : NULL);
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if (FAILED(hr)) {
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dsound_logerr(hr, "Could not get playback buffer position\n");
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return 0;
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}
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if (ds->first_time) {
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hw->pos_emul = wpos;
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ds->first_time = false;
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}
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return audio_ring_dist(ppos, hw->pos_emul, hw->size_emul);
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}
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static void *dsound_get_buffer_out(HWVoiceOut *hw, size_t *size)
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{
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DSoundVoiceOut *ds = (DSoundVoiceOut *)hw;
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LPDIRECTSOUNDBUFFER dsb = ds->dsound_buffer;
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DWORD act_size;
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size_t req_size;
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int err;
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void *ret;
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req_size = MIN(*size, hw->size_emul - hw->pos_emul);
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assert(req_size > 0);
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err = dsound_lock_out(dsb, &hw->info, hw->pos_emul, req_size, &ret, NULL,
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&act_size, NULL, false, ds->s);
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if (err) {
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dolog("Failed to lock buffer\n");
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*size = 0;
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return NULL;
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}
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*size = act_size;
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return ret;
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}
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static size_t dsound_put_buffer_out(HWVoiceOut *hw, void *buf, size_t len)
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{
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DSoundVoiceOut *ds = (DSoundVoiceOut *) hw;
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LPDIRECTSOUNDBUFFER dsb = ds->dsound_buffer;
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int err = dsound_unlock_out(dsb, buf, NULL, len, 0);
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if (err) {
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dolog("Failed to unlock buffer!!\n");
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return 0;
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}
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hw->pos_emul = (hw->pos_emul + len) % hw->size_emul;
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return len;
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}
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static void dsound_enable_in(HWVoiceIn *hw, bool enable)
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{
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HRESULT hr;
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DWORD status;
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DSoundVoiceIn *ds = (DSoundVoiceIn *) hw;
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LPDIRECTSOUNDCAPTUREBUFFER dscb = ds->dsound_capture_buffer;
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if (!dscb) {
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dolog ("Attempt to control capture voice without a buffer\n");
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return;
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}
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if (enable) {
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if (dsound_get_status_in (dscb, &status)) {
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return;
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}
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if (status & DSCBSTATUS_CAPTURING) {
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dolog ("warning: Voice is already capturing\n");
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return;
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}
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/* clear ?? */
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hr = IDirectSoundCaptureBuffer_Start (dscb, DSCBSTART_LOOPING);
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if (FAILED (hr)) {
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dsound_logerr (hr, "Could not start capturing\n");
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return;
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}
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} else {
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if (dsound_get_status_in (dscb, &status)) {
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return;
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}
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if (status & DSCBSTATUS_CAPTURING) {
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hr = IDirectSoundCaptureBuffer_Stop (dscb);
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if (FAILED (hr)) {
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dsound_logerr (hr, "Could not stop capturing\n");
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return;
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}
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} else {
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dolog ("warning: Voice is not capturing\n");
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}
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}
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}
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static void *dsound_get_buffer_in(HWVoiceIn *hw, size_t *size)
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{
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DSoundVoiceIn *ds = (DSoundVoiceIn *) hw;
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LPDIRECTSOUNDCAPTUREBUFFER dscb = ds->dsound_capture_buffer;
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HRESULT hr;
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DWORD rpos, act_size;
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size_t req_size;
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int err;
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void *ret;
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hr = IDirectSoundCaptureBuffer_GetCurrentPosition(dscb, NULL, &rpos);
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if (FAILED(hr)) {
|
|
dsound_logerr(hr, "Could not get capture buffer position\n");
|
|
*size = 0;
|
|
return NULL;
|
|
}
|
|
|
|
if (ds->first_time) {
|
|
hw->pos_emul = rpos;
|
|
ds->first_time = false;
|
|
}
|
|
|
|
req_size = audio_ring_dist(rpos, hw->pos_emul, hw->size_emul);
|
|
req_size = MIN(*size, MIN(req_size, hw->size_emul - hw->pos_emul));
|
|
|
|
if (req_size == 0) {
|
|
*size = 0;
|
|
return NULL;
|
|
}
|
|
|
|
err = dsound_lock_in(dscb, &hw->info, hw->pos_emul, req_size, &ret, NULL,
|
|
&act_size, NULL, false, ds->s);
|
|
if (err) {
|
|
dolog("Failed to lock buffer\n");
|
|
*size = 0;
|
|
return NULL;
|
|
}
|
|
|
|
*size = act_size;
|
|
return ret;
|
|
}
|
|
|
|
static void dsound_put_buffer_in(HWVoiceIn *hw, void *buf, size_t len)
|
|
{
|
|
DSoundVoiceIn *ds = (DSoundVoiceIn *) hw;
|
|
LPDIRECTSOUNDCAPTUREBUFFER dscb = ds->dsound_capture_buffer;
|
|
int err = dsound_unlock_in(dscb, buf, NULL, len, 0);
|
|
|
|
if (err) {
|
|
dolog("Failed to unlock buffer!!\n");
|
|
return;
|
|
}
|
|
hw->pos_emul = (hw->pos_emul + len) % hw->size_emul;
|
|
}
|
|
|
|
static void dsound_audio_fini (void *opaque)
|
|
{
|
|
HRESULT hr;
|
|
dsound *s = opaque;
|
|
|
|
if (!s->dsound) {
|
|
g_free(s);
|
|
return;
|
|
}
|
|
|
|
hr = IDirectSound_Release (s->dsound);
|
|
if (FAILED (hr)) {
|
|
dsound_logerr (hr, "Could not release DirectSound\n");
|
|
}
|
|
s->dsound = NULL;
|
|
|
|
if (!s->dsound_capture) {
|
|
g_free(s);
|
|
return;
|
|
}
|
|
|
|
hr = IDirectSoundCapture_Release (s->dsound_capture);
|
|
if (FAILED (hr)) {
|
|
dsound_logerr (hr, "Could not release DirectSoundCapture\n");
|
|
}
|
|
s->dsound_capture = NULL;
|
|
|
|
g_free(s);
|
|
}
|
|
|
|
static void *dsound_audio_init(Audiodev *dev)
|
|
{
|
|
int err;
|
|
HRESULT hr;
|
|
dsound *s = g_new0(dsound, 1);
|
|
AudiodevDsoundOptions *dso;
|
|
|
|
assert(dev->driver == AUDIODEV_DRIVER_DSOUND);
|
|
s->dev = dev;
|
|
dso = &dev->u.dsound;
|
|
|
|
if (!dso->has_latency) {
|
|
dso->has_latency = true;
|
|
dso->latency = 10000; /* 10 ms */
|
|
}
|
|
|
|
hr = CoInitialize (NULL);
|
|
if (FAILED (hr)) {
|
|
dsound_logerr (hr, "Could not initialize COM\n");
|
|
g_free(s);
|
|
return NULL;
|
|
}
|
|
|
|
hr = CoCreateInstance (
|
|
&CLSID_DirectSound,
|
|
NULL,
|
|
CLSCTX_ALL,
|
|
&IID_IDirectSound,
|
|
(void **) &s->dsound
|
|
);
|
|
if (FAILED (hr)) {
|
|
dsound_logerr (hr, "Could not create DirectSound instance\n");
|
|
g_free(s);
|
|
return NULL;
|
|
}
|
|
|
|
hr = IDirectSound_Initialize (s->dsound, NULL);
|
|
if (FAILED (hr)) {
|
|
dsound_logerr (hr, "Could not initialize DirectSound\n");
|
|
|
|
hr = IDirectSound_Release (s->dsound);
|
|
if (FAILED (hr)) {
|
|
dsound_logerr (hr, "Could not release DirectSound\n");
|
|
}
|
|
g_free(s);
|
|
return NULL;
|
|
}
|
|
|
|
hr = CoCreateInstance (
|
|
&CLSID_DirectSoundCapture,
|
|
NULL,
|
|
CLSCTX_ALL,
|
|
&IID_IDirectSoundCapture,
|
|
(void **) &s->dsound_capture
|
|
);
|
|
if (FAILED (hr)) {
|
|
dsound_logerr (hr, "Could not create DirectSoundCapture instance\n");
|
|
} else {
|
|
hr = IDirectSoundCapture_Initialize (s->dsound_capture, NULL);
|
|
if (FAILED (hr)) {
|
|
dsound_logerr (hr, "Could not initialize DirectSoundCapture\n");
|
|
|
|
hr = IDirectSoundCapture_Release (s->dsound_capture);
|
|
if (FAILED (hr)) {
|
|
dsound_logerr (hr, "Could not release DirectSoundCapture\n");
|
|
}
|
|
s->dsound_capture = NULL;
|
|
}
|
|
}
|
|
|
|
err = dsound_set_cooperative_level(s);
|
|
if (err) {
|
|
dsound_audio_fini (s);
|
|
return NULL;
|
|
}
|
|
|
|
return s;
|
|
}
|
|
|
|
static struct audio_pcm_ops dsound_pcm_ops = {
|
|
.init_out = dsound_init_out,
|
|
.fini_out = dsound_fini_out,
|
|
.write = audio_generic_write,
|
|
.buffer_get_free = dsound_buffer_get_free,
|
|
.get_buffer_out = dsound_get_buffer_out,
|
|
.put_buffer_out = dsound_put_buffer_out,
|
|
.enable_out = dsound_enable_out,
|
|
|
|
.init_in = dsound_init_in,
|
|
.fini_in = dsound_fini_in,
|
|
.read = audio_generic_read,
|
|
.get_buffer_in = dsound_get_buffer_in,
|
|
.put_buffer_in = dsound_put_buffer_in,
|
|
.enable_in = dsound_enable_in,
|
|
};
|
|
|
|
static struct audio_driver dsound_audio_driver = {
|
|
.name = "dsound",
|
|
.descr = "DirectSound http://wikipedia.org/wiki/DirectSound",
|
|
.init = dsound_audio_init,
|
|
.fini = dsound_audio_fini,
|
|
.pcm_ops = &dsound_pcm_ops,
|
|
.can_be_default = 1,
|
|
.max_voices_out = INT_MAX,
|
|
.max_voices_in = 1,
|
|
.voice_size_out = sizeof (DSoundVoiceOut),
|
|
.voice_size_in = sizeof (DSoundVoiceIn)
|
|
};
|
|
|
|
static void register_audio_dsound(void)
|
|
{
|
|
audio_driver_register(&dsound_audio_driver);
|
|
}
|
|
type_init(register_audio_dsound);
|